Understanding the Birthday Paradox – BetterExplained
WEBLearn why it's surprising and counter-intuitive that in a room of 23 people, there's a 50-50 chance of at least two people having the same birthday. See the math, examples, and interactive simulation of the birthday paradox.
Why did Jesus ask the crowd to sit down in groups of fifty? - eBible
WEBJun 5, 2014 · Obadiah took responsibility in feeding 100 people separated into two groups of 50. This same group was also fed by Elisha, who gives precedent to the way Jesus miraculously fed crowds.
There 50 people in a row Rajiv is 28th person from the right side …
WEBThere 50 people in a row. Rajiv is 28th person from the right side of the row. Raushan is 32nd person from the left side of the row. What is the total number of people sitting between Rajiv and Raushan? (a) 6. (b) 7. (c) 8. (d) 9. (e) 10. 37.5 % students answered this correctly. Check. Solution. Hint. Solve with us.
probability - Odds of being correct X times in a row
WEBJun 30, 2013 · For each question, you have a $50/50$ chance of answering correctly, which translates to a probability of $\frac 12$: for "randomly guessing" one question, you'll have a probability of $\frac 12$ that you'll be correct. So answering correctly two questions in a row has probability: $$\frac 12 \times \frac 12 = \left(\frac 12\right)^2 =\frac 14$$
Probability: People sitting in a row (linear arrangement)
WEBAug 17, 2015 · Question: Ten persons are seated at random in a row. What is the probability that a particular couple will be seated together? My attempt: 9! 2!/ 10! = $\dfrac{1}{5}$ , since there are 9! ways of s...
Different ways of arranging a group of 10 people
WEBIn how many ways can a photographer arrange $8$ people in a row from a family of $10$ people, if (a) the bride and groom are in the photo. This would be $9! = 9\times8\times7\times6\times5\times4\times3\times2\times1=362880$, correct? (b) the bride and groom are next to each other in the photo
3. Permutations (Ordered Arrangements) - Interactive …
WEBLearn how to count the number of permutations of n distinct objects taken r at a time, with or without repetition. Find examples, exercises and solutions for arranging objects in a row or a circle.
Counting seating arrangements - math problems
WEBSep 21, 2012 · Learn how to use the multiplication principle to solve problems involving seating arrangements of people in a row. See examples, formulas, and strategies for counting combinations and permutations.
If You Can Do This Many Pushups in a Row, Harvard Scientists Say …
WEBJun 7, 2019 · People who can do 40 pushups today could have a heart attack tomorrow; others who can only do five may live to be 90.
How to Do 50 Perfect Pushups - Men's Health
WEBMay 20, 2015 · A person who can do 50 perfect pushups is truly strong and fit—far more so than a person who can do 100 terrible-form “everything else” pushups. Follow these rules to crank out 50 real ones in...